HP 840 G3 Original Laptop Battery

Reliable Power for Your EliteBook and ZBook Series

The HP 840 G3 Original Laptop Battery is designed to deliver dependable power, long-lasting performance, and complete compatibility for your HP EliteBook and ZBook devices. Crafted with high-quality lithium-polymer cells, this battery ensures stable voltage output, safe operation, and extended battery life to keep your workflow uninterrupted. Whether you are replacing an aging battery or preparing a backup power source, this genuine HP-compatible solution provides the reliability and performance you expect from your device.

Powerful and Efficient Battery Performance

This battery is engineered with a Li-Polymer (Lithium-Polymer) chemistry, ensuring efficient energy delivery in a lightweight and compact design. With a voltage rating of 11.4V and a capacity of 4035 mAh (46Wh), the battery offers extended runtime for professional use, everyday computing, and mobile tasks. You can enjoy longer unplugged sessions without constantly searching for a power outlet, making it ideal for business travel, classroom settings, or field work.

Broad Compatibility Across HP Models

The HP 840 G3 Original Battery is highly versatile, supporting multiple HP EliteBook and ZBook devices. It is specifically compatible with:

• HP EliteBook Series:
  • 745 G3, 745 G4
  • 755 G3, 755 G4
  • 840 G3, 840 G4
  • 850 G3, 850 G4
• HP ZBook Mobile Workstations:
  • ZBook 15u G3, ZBook 15u G4
• HP Thin Clients and Mobile Terminals:
  • HP mt42, HP mt43

This broad compatibility ensures that one battery model can support multiple devices, making it a practical replacement solution for IT departments, businesses, and individuals managing several HP devices.

OEM-Level Part Number Compatibility

To ensure precise replacement, the battery is cross-compatible with numerous HP part numbers. It can replace or serve as an alternative to the following:

• Battery Part Numbers:
  CS03, CS03XL, CSO3, CSO3XL, T7B32AA, CS03046XL, 800231-141, 800231-271, 800513-001, 800231-1C1
• HP Spare Part Numbers (HSTNN codes):
  HSTNN-DB6U, HSTNN-UB6S, HSTNN-IB6Y, HSTNN-I33C-4, HSTNN-I33C-5, HSTNN-I41C-4, HSTNN-I41C-5

By matching these part numbers, users can confidently confirm compatibility, eliminating guesswork when purchasing a replacement battery.

Enhanced Safety and Protection Features

Safety is a top priority with any battery, and the HP 840 G3 Original Battery is equipped with built-in protective mechanisms to safeguard both the device and the user. Key safety features include:

• Overcharge Protection: Prevents the battery from being charged beyond safe limits.
• Over-discharge Protection: Maintains proper voltage levels to prevent deep discharge damage.
• Short-Circuit Protection: Protects against sudden electrical faults.
• Thermal Control: Manages temperature to avoid overheating during charging and discharging.

These features ensure reliable performance, reducing the risk of common battery issues and prolonging the overall lifespan.

Lightweight and Portable Design

At just 46Wh, this battery strikes a balance between compact form factor and sufficient power capacity. Its lightweight design complements the slim profiles of the EliteBook and ZBook series, ensuring that portability and convenience are never compromised. For professionals who rely on mobility, this makes the HP 840 G3 Original Battery an excellent choice.

Why Choose the HP 840 G3 Original Battery?

• Genuine Compatibility: Tailored to work seamlessly with HP EliteBook and ZBook series.
• Reliable Performance: Stable voltage and long-lasting runtime for uninterrupted productivity.
• High-Quality Build: Constructed with premium Li-Polymer cells for maximum efficiency.
• Wide Device Support: Works across multiple HP series, reducing the need for multiple spare batteries.
• Trusted Safety Features: Built-in protection against overcharge, overheating, and short circuits.

Ideal Use Cases

• Business Professionals: Dependable battery life for meetings, travel, and field operations.
• Students: Longer study and project sessions without worrying about charging access.
• IT Departments: A universal replacement solution for fleets of HP EliteBook or ZBook laptops.
• Remote Workers: A reliable power source for those working from multiple locations.

Conclusion

The HP 840 G3 Original Laptop Battery is more than just a power source—it’s an assurance of reliability, efficiency, and compatibility. With its durable Li-Polymer construction, strong safety features, and wide compatibility across EliteBook and ZBook models, it is the perfect replacement or backup solution. Whether you’re extending the lifespan of your current device or simply ensuring you’re never caught without power, this battery delivers the trusted performance you need.

Choose the HP 840 G3 Original Battery for peace of mind, uncompromised productivity, and true portability—because your HP laptop deserves a battery built to match its quality.